Leases (Narrative) (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
Lessee, Lease, Description [Line Items] | ||||
Leases, Renewal Term | 5 years | |||
Scottsdale, Arizona [Member] | ||||
Lessee, Lease, Description [Line Items] | ||||
Tenant improvement allowances | $ 2 | $ 2 | ||
Maximum [Member] | ||||
Lessee, Lease, Description [Line Items] | ||||
Operating lease, remaining lease term years | 10 years | 10 years | ||
Operating lease expense | $ 1 | $ 1 | $ 1 | $ 1 |
Minimum [Member] | ||||
Lessee, Lease, Description [Line Items] | ||||
Operating lease, remaining lease term years | 3 years | 3 years |